Possesive pronouns in the accusative

Some verbs take the accusative case, and masculaine articles following These verbs change from der/ein to den/einen

Some prepositions, like ohne and für also need the accusative. Just add -en to the masculine possesive pronoun

Ich bin ohne meinen Freund und ohne meine Schwester hier

I am here without my boyfriend and my sister

Reflexive pronouns in the accusative

Reflexive pronouns go along with reflexive verbs. They always refer to the subject of the sentence

Ich entschuldige mich bei ihr

I am apologising to her

The reflexive pronouns for the first and the second person singular and plural are the same as the personal pronouns in the accusative. Only the third person singular and the plural forms are different: here for both you use the reflexive pronoun sich

Er bedankt sich für das Geschenk

He is giving his thanks for the present

Reflexive pronouns in the dative

Depending on the verb, reflexive pronouns may also be in the dative form.

Er merkt sich den Weg

He is memorising the way

The reflexive pronouns in the dative are the same as in the accusative - only the first and the second person singular are different

Ich mache mir Sorgen

I am worried